code: def test_unsqueeze_left(self, arr, ndim, shape):
      self.assertEqual(unsqueeze_left(arr, ndim).shape, shape)
  
file_path: MONAI/tests/test_squeeze_unsqueeze.py
imports: from __future__ import annotations
  import unittest
  import numpy
  import torch
  from parameterized import parameterized
  from monai.utils import unsqueeze_left, unsqueeze_right
label_desc: Use image node_id 2 for calling the TestUnsqueeze obj's underlying member method code with example usage: obj.test_unsqueeze_left(arr, ndim, shape) without return types